Home / 1,984,265.48-2,739,638.22-1,331,868.80

Finding the Fourth Proportional to 1,984,265.48, 2,739,638.22 and 1,331,868.80

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Solution

The fourth proportional to 1,984,265.48, 2,739,638.22 and 1,331,868.80 is: 1,838,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,265.48 : 2,739,638.22 = 1,331,868.80 : x
  2. Step 2: Convert to fraction form
    1,984,265.48/2,739,638.22 = 1,331,868.80/x
  3. Step 3: Cross multiply
    1,984,265.48x = 2,739,638.22 × 1,331,868.80
  4. Step 4: Simplify right side
    1,984,265.48x = 3,648,838,668,505.54
  5. Step 5: Solve for x
    x = 3,648,838,668,505.54/1,984,265.48
  6. Step 6: Final answer
    x = 1,838,886.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.